def is_alive(str,value):
    if str.find(value) != -1:
        return True
    else:
        return False


def subsection(value,subStr):
    str_temp = [""]
    for temp in value:
        if not is_alive(temp,subStr):
            str_temp[len(str_temp)-1] += temp
        else:
            str_temp.append("")
    return str_temp
